"Deuce it" is a slang term that means to take a risk or make a bold move. There are several synonyms that can be used to convey a similar meaning. One option is to say "go for broke," which implies that someone is risking everything for a potential reward. Another possible synonym is "take a chance," which suggests that someone is willing to roll the dice and see what happens. "Go all in" is another common phrase that relates to taking risks in a high-stakes situation. Ultimately, there are several ways to express the idea of boldly taking a chance, depending on the context and tone of the situation.